<template>
  <div class="department-container">
    <div class="app-container">
      <el-card>
        <!-- 用一个行列布局 -->
        <el-row type="flex" justify="space-between" align="middle" style="height: 40px">
          <el-col :span="20">
            <svg-icon icon-class="home" /><span>江苏传智播客教育科技股份有限公司</span>
          </el-col>
          <el-col :span="4">
            <el-row type="flex" justify="end">
              <!-- 两个内容 -->
              <el-col>负责人</el-col>
              <!-- 下拉菜单 element -->
              <el-col>
                <el-dropdown>
                  <span>
                    操作<i class="el-icon-arrow-down" />
                  </span>
                  <el-dropdown-menu slot="dropdown">
                    <el-dropdown-item>添加子部门</el-dropdown-item>
                  </el-dropdown-menu>
                </el-dropdown>
              </el-col>
            </el-row>
          </el-col>
        </el-row>
        <el-tree :data="list" :default-expand-all="true">
          <!-- 作用域插槽 data拿到的是每一个子节点的对象 -->
          <!--
      什么时候用到作用域插槽？父组件中如果想使用子组件中的数据进行自定义内容的渲染 (类似于table 单元格数据渲染)
    -->
          <template #default="{ data }">
            <el-row
              type="flex"
              justify="space-between"
              align="middle"
              style="height: 40px; width: 100%;"
            >
              <el-col :span="20">
                <span>{{ data.name }}</span>
              </el-col>
              <el-col :span="4">
                <el-row type="flex" justify="end">
                  <!-- 两个内容 -->
                  <el-col>{{ data.manager }}</el-col>
                  <el-col>
                    <!-- 下拉菜单 element -->
                    <el-dropdown>
                      <span> 操作<i class="el-icon-arrow-down" /> </span>
                      <!-- 下拉菜单 -->
                      <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item @click.native="hclick(data.id)">添加子部门</el-dropdown-item>
                        <el-dropdown-item @click.native="isedit(data.id)">编辑部门</el-dropdown-item>
                        <el-dropdown-item v-if=" data.children && data.children.length===0 " @click.native="hDel(data.id)">删除部门</el-dropdown-item>
                      </el-dropdown-menu>
                    </el-dropdown>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-tree>
      </el-card>
    </div>
    <el-dialog
      title="添加或编辑"
      :visible.sync="showDialog"
      :close-on-click-modal="false"
      :close-on-press-escape="false"
      @close="hDialogClose"
    >
      <addor-edit
        :id="curId"
        ref="deptDialog"
        :is-edit="isEdit"
        :origin-list="originList"
        @update-depart="hUpdateDepart"
        @close="hCancel"
      />
    </el-dialog>
  </div>
</template>
<script>
import AddorEdit from '../departments/deptDialog.vue'
import { tranListToTreeData } from '../../utils/index'
import { getDepartments, delDepartment } from '@/api/departments'
// import { remove } from 'js-cookie'
export default ({
  components: {
    AddorEdit
  },
  data() {
    return {
      list: [{
        name: '',
        manager: ' ',
        children: [{
          name: ''

        }, {
          name: ''
        }]
      }],
      showDialog: false, // 是否显示弹层
      curId: null, // 当前操作的部门编号
      isEdit: false, // 是否是编辑
      originList: []
    }
  },
  created() {
    this.loadDepartments()
  },
  methods: {
    async loadDepartments() {
      try {
        const res = await getDepartments()
        // 保存数据

        // shift会取出数组第一个元素，同时会改变源数组
        const company = res.data.depts.shift()
        this.originList = res.data.depts.map(item => {
          return {
            id: item.id,
            pid: item.pid,
            name: item.name,
            code: item.code
          }
        })
        console.log('loadDepartments', company)
        this.list = tranListToTreeData(res.data.depts)
        // 后端返回的数据中 第一条是公司信息，它应该直接就是tree的根节点
        // 为了后面计算方便，把它直接取出来
      } catch (err) {
        console.log(err)
      }
    },
    // 用户点击删除
    async doDelete(id) {
      try {
        const res = await delDepartment(id)
        console.log(res)
        // 1.提示
        this.$message({ type: 'success', message: '删除成功' })
        // 2.更新数据、
        this.loadDepartments()
      } catch (err) {
        console.log(err)
        this.$message({ type: 'error', message: '删除失败' })
      }
    },
    // hDel(id) {
    //   this.$confirm('此操作将永久删除部门, 是否继续?', '提示', {
    //     confirmButtonText: '确定',
    //     cancelButtonText: '取消',
    //     type: 'warning'
    //   }).then(() => {
    //     // 做删除
    //     this.doDel(id)
    //   }).catch(() => {

    //   })
    // },

    hclick(id) {
      this.showDialog = true
      // 保存当前操作的部门编号
      this.curId = id
      this.isEdit = false
      this.$nextTick(() => {
        this.$refs.deptDialog.loadEmployee()
      })
    },
    hUpdateDepart() {
      // 关闭弹层，再次更新数据
      this.showDialog = false
      this.loadDepartments()
    },
    isedit(id) {
      this.showDialog = true // 是否显示弹层
      this.curId = id// 当前操作的部门编号
      this.isEdit = true// 更新编辑状态
      // 强制让子组件去发送请求获取详情
      this.$nextTick(() => {
        console.log('获取子组件的引用', this.$refs.deptDialog)
        console.log('当前的curid', id)
        console.log('获取到子组件中的id从父传入的', this.$refs.deptDialog.id)
        // 调用子组件的loadtail方法
        this.$refs.deptDialog.loadDetail()
        this.$refs.deptDialog.loadEmployee()
      })
    },
    hDel(id) {
      // 确认是否删除
      this.$confirm('确认要删除吗', '系统提示').then(() => {
        this.doDelete(id)
      }).catch(() => {})
    },
    hCancel() {
      this.showDialog = false
    },
    hDialogClose() {
      // 清空子组件中的表单校验、
      this.$refs.deptDialog.resetForm()
      console.log('dialog, 关闭....')
    }

  }
}
)
</script>

